* {
	padding: 0;
	margin: 0;
}

body {
	background-color: #DC143C;
}

.h_title {
	height: 30px;
	width: 100%;
	background-color: #0000FF;
}

.div_banner {
	width: 100%;
	height: 300px;
	background-color: #00FFFF;
}

.content1,.content2,.content4 {
	margin: 0 auto;
	width: 800px;
}

.button_3{
	float: left;
	width: 25%;
	line-height: 50px;
	text-align: center;
	height: 50px;
	padding: 1px;
	margin: 0px auto;
	box-sizing: border-box;
	background-color: #2F6F4F;
	border: 1px solid #0000FF;
}

.div_youhuiquan {
	float: left;
	width: 800px;
	height: 50px;
	padding: 1px;
	line-height: 50px;
	text-align: center;
	box-sizing: border-box;
}
.button_4{
	float: left;
	width: 25%;
	line-height: 150px;
	text-align: center;
	padding: 1px;
	height: 150px;
	margin: px auto;
	box-sizing: border-box;
	background-color: #2F6F4F;
	border: 1px solid #0000FF;
}
.button_2 {
	float: left;
	width: 33%;
	line-height: 50px;
	text-align: center;
	padding: 1px;
	height: 50px;
	margin: px auto;
	box-sizing: border-box;
	background-color: #2F6F4F;
	border: 1px solid #0000FF;
}

.button_1 {
	float: left;
	width: 20%;
	line-height: 50px;
	text-align: center;
	height: 50px;
	box-sizing: border-box;
	padding: 1px;
	background-color: #2F6F4F;
	border: 1px solid #0000FF;
}
h2{
	text-align: center;
}